IBM HS20 User Guide - Page 26

System, board, illustration, System-board, locations - blade

Page 26 highlights

System board illustration The following illustration shows the system-board components, including connectors for user-installable options, for the blade server. Battery Control panel connector (J64) IDE connector 1 (J13) Blade expansion connector (J8) I/O expansion option connector (J34) IDE connector 2 (J62) Microprocessor socket 2 and heat sink filler (U70) Microprocessor 1 and heat sink (U66) I/O expansion option connector (J9) DIMM socket 1 (J1) DIMM socket 2 (J5) DIMM socket 3 (J2) DIMM socket 4 (J6) Note: The blade expansion connector (J8) requires a terminator unless an expansion option is connected to it. System-board LED locations The following illustration shows the LEDs on the system board for the BladeCenter HS20 blade server. Refer to this illustration when solving problems with the blade servers. You have to remove the blade server from the BladeCenter unit, open the cover, and press the light path diagnostics button to light any error LEDs that were turned on during processing. Note: Power is available to relight the light path diagnostics LEDs for a short period of time after the blade server is removed from the BladeCenter unit. During that period of time, you can relight the light path diagnostics LEDs for a maximum of 25 seconds (or less, depending on the number of LEDs that are lit and the length of time the blade server is removed from the BladeCenter unit) by pressing the light path diagnostics button. The light path diagnostics power present LED (CR111) lights when the light path diagnostics button is pressed if power is available to relight the blade-error LEDs. If the light path diagnostics power present LED does not light when the light path diagnostics button is pressed, no power is available to light the blade-error LEDs, and they will be unable to provide any diagnostic information. 12 BladeCenter HS20 Type 8832: Installation and User's Guide

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System
board
illustration
The
following
illustration
shows
the
system-board
components,
including
connectors
for
user-installable
options,
for
the
blade
server.
Battery
Blade expansion
connector (J8)
IDE connector 1
(J13)
IDE connector 2
(J62)
I/O expansion
option connector (J34)
I/O expansion
option connector (J9)
Control panel
connector (J64)
Microprocessor
socket 2
and heat sink filler
(U70)
Microprocessor 1
and heat sink (U66)
DIMM socket 1 (J1)
DIMM socket 2 (J5)
DIMM socket 3 (J2)
DIMM socket 4 (J6)
Note:
The
blade
expansion
connector
(J8)
requires
a
terminator
unless
an
expansion
option
is
connected
to
it.
System-board
LED
locations
The
following
illustration
shows
the
LEDs
on
the
system
board
for
the
BladeCenter
HS20
blade
server.
Refer
to
this
illustration
when
solving
problems
with
the
blade
servers.
You
have
to
remove
the
blade
server
from
the
BladeCenter
unit,
open
the
cover,
and
press
the
light
path
diagnostics
button
to
light
any
error
LEDs
that
were
turned
on
during
processing.
Note:
Power
is
available
to
relight
the
light
path
diagnostics
LEDs
for
a
short
period
of
time
after
the
blade
server
is
removed
from
the
BladeCenter
unit.
During
that
period
of
time,
you
can
relight
the
light
path
diagnostics
LEDs
for
a
maximum
of
25
seconds
(or
less,
depending
on
the
number
of
LEDs
that
are
lit
and
the
length
of
time
the
blade
server
is
removed
from
the
BladeCenter
unit)
by
pressing
the
light
path
diagnostics
button.
The
light
path
diagnostics
power
present
LED
(CR111)
lights
when
the
light
path
diagnostics
button
is
pressed
if
power
is
available
to
relight
the
blade-error
LEDs.
If
the
light
path
diagnostics
power
present
LED
does
not
light
when
the
light
path
diagnostics
button
is
pressed,
no
power
is
available
to
light
the
blade-error
LEDs,
and
they
will
be
unable
to
provide
any
diagnostic
information.
12
BladeCenter
HS20
Type
8832:
Installation
and
User’s
Guide